Least Common Multiple (LCM) of 11 and 99
The least common multiple (LCM) of 11 and 99 is 99.
What is the Least Common Multiple (LCM)?
The LCM of two integers is the smallest positive integer that is divisible by both numbers. It is often used to find common denominators and solve problems involving periodic events.
Formula for LCM
The LCM of two numbers can be calculated using their GCD:
LCM(a, b) = |a × b| ÷ GCD(a, b)
How to Calculate the LCM of 11 and 99?
First, calculate the GCD of 11 and 99 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 11 ÷ 99 = 0 remainder 11 |
| 2 | 99 ÷ 11 = 9 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 169 and 133 | 22477 |
| 147 and 148 | 21756 |
| 197 and 22 | 4334 |
| 123 and 155 | 19065 |
| 20 and 126 | 1260 |